Coffee machine



FIG. 1 is a front view of a coffee machine in accordance with my invention thereof;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a front perspective view thereof;

FIG. 8 is a front perspective view thereof in opened position;

FIG. 9 is another front perspective view thereof in opened position; and,

FIG. 10 is a rear perspective view thereof. 

The ornamental design for a coffee machine, as shown and described. 